*SUPPORT*
IN: tufa kiki OUT: BLUE BLUE
IN: zup OUT: RED
IN: tufa gazzer OUT: BLUE BLUE
IN: zup blicket dax OUT: RED GREEN
IN: tufa blicket tufa OUT: BLUE BLUE
IN: dax gazzer OUT: GREEN GREEN
IN: lug dax gazzer kiki OUT: YELLOW GREEN GREEN YELLOW GREEN GREEN
IN: lug zup kiki OUT: YELLOW RED YELLOW RED
IN: tufa zup gazzer OUT: BLUE RED RED
IN: lug gazzer OUT: YELLOW YELLOW
IN: dax kiki OUT: GREEN GREEN
IN: dax lug tufa gazzer kiki OUT: GREEN YELLOW BLUE BLUE GREEN YELLOW BLUE BLUE
IN: tufa lug gazzer kiki OUT: BLUE YELLOW YELLOW BLUE YELLOW YELLOW
IN: lug OUT: YELLOW

*QUERY*
IN: tufa blicket zup kiki OUT: BLUE RED BLUE RED
IN: lug gazzer kiki kiki OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax blicket dax OUT: GREEN GREEN
IN: lug tufa blicket lug OUT: YELLOW BLUE YELLOW
IN: tufa OUT: BLUE
IN: dax blicket lug OUT: GREEN YELLOW
IN: dax tufa blicket dax kiki OUT: GREEN BLUE GREEN GREEN BLUE GREEN
IN: dax blicket tufa OUT: GREEN BLUE
IN: tufa blicket dax OUT: BLUE GREEN
IN: tufa blicket lug OUT: BLUE YELLOW

*GRAMMAR*
tufa -> BLUE 
 zup -> RED 
 dax -> GREEN 
 lug -> YELLOW 
 u1 blicket u2 -> [u1] [u2] 
 u1 gazzer -> [u1] [u1] 
 x1 kiki -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 